.container {
    width: 1200px;
    margin: 0 auto;
}

header {
    width: 100%;
    height: 60px;
}

.header-top {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background-color: #3884c0;
}

.header-list {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
    color: #fff;
}

.header-right {
    position: relative;
}

.header-right span {
    border: 1px solid #fff;
    padding: 5px 10px;
}

.header-right input {
    border: 1px solid #999;
    border-radius: 5px;
    padding: 8px;
}

.header-right i {
    position: absolute;
    right: 5px;
    top: 10px;
    color: #3884c0;
    font-weight: 600;
}

/* 导航栏 */
.nav-list {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 20px 0;
}

.nav-left img {
    height: 50px;
}

.nav-right ul {
    display: flex;
}

.nav-right ul li {
    margin: 0 20px;
}

/* 添加淡入效果 */
.banner {
    animation: banner ease 3s;
    animation-iteration-count: 1;
    /* 属性定义动画播放次数 */
    animation-fill-mode: forwards;
}

@keyframes banner {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}

/* 轮播图 */
.banner img {
    width: 100%;
}

/* 页面的主体部分 */
.part>h3 {
    font-size: 30px;
    font-weight: 300;
}

.part>p {
    font-size: 20px;
    color: #999;
}

.part mark {
    color: #FFA900;
    background-color: transparent;
}

.part ul {
    display: flex;
}

.part ul li {
    margin: 0 20px;
}

.part ul img {
    width: 100%;
    border-radius: 10px;
}

.part ul li h3 {
    color: #FFA900;
    margin: 20px 0;
    font-size: 22px;
    font-weight: 400;
}

/* 从底部自动上升 */
.part ul li {
    animation: part 2s;
    animation-iteration-count: 1;
    animation-fill-mode: forwards;
}

@keyframes part {
    0% {
        transform: translateY(100px);
        opacity: 0;
    }

    100% {
        transform: translateY(0px);
        opacity: 1;
    }
}

/* 页面底部 */
.footer {
    background-color: #333;
    color: #fff;
    width: 100%;
    height: 150px;
}

.footer-left {
    display: flex;
    align-items: center;
    height: 150px;
}

.footer-left p {
    flex: 0 1 70%;
    letter-spacing: 1px;
    padding: 10px;
}

.footer-button {
    flex: 0 1 25%;
    display: flex;
    flex-direction: column;
}

.footer-button button {
    /* display: block; */
    padding: 5px;
    margin: 10px auto;
    width: 200px;
}